#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020  Raphael Michel and contributors
# Copyright (C) 2020-today pretix GmbH and contributors
#
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
# Public License as published by the Free Software Foundation in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
# <https://www.gnu.org/licenses/>.
#
from django.dispatch import receiver

from pretix.base.channels import SalesChannelType
from pretix.base.exporter import BaseExporter
from pretix.base.invoicing.transmission import (
    TransmissionProvider, transmission_providers,
)
from pretix.base.models import Invoice
from pretix.base.signals import (
    register_data_exporters, register_multievent_data_exporters,
    register_payment_providers, register_sales_channel_types,
    register_ticket_outputs,
)
from pretix.presale.signals import html_head


@receiver(register_ticket_outputs, dispatch_uid="output_dummy")
def register_ticket_outputs(sender, **kwargs):
    from .ticketoutput import DummyTicketOutput
    return DummyTicketOutput


@receiver(register_payment_providers, dispatch_uid="payment_dummy")
def register_payment_provider(sender, **kwargs):
    from .payment import (
        DummyFullRefundablePaymentProvider,
        DummyPartialRefundablePaymentProvider, DummyPaymentProvider,
    )
    return [DummyPaymentProvider, DummyFullRefundablePaymentProvider, DummyPartialRefundablePaymentProvider]


class DummyOrdersExporter(BaseExporter):
    verbose_name = "Dummy orders"
    identifier = "dummy_orders"


class DummyVoucherExporter(BaseExporter):
    verbose_name = "Dummy orders"
    identifier = "dummy_vouchers"

    @classmethod
    def get_required_event_permission(cls) -> str:
        return "event.vouchers:read"


@receiver(register_data_exporters, dispatch_uid="dummy_exporter_o")
def register_data_exporters_recv_o(sender, **kwargs):
    return DummyOrdersExporter


@receiver(register_data_exporters, dispatch_uid="dummy_exporter_v")
def register_data_exporters_recv_v(sender, **kwargs):
    return DummyVoucherExporter


@receiver(register_multievent_data_exporters, dispatch_uid="dummy_exporter_multi_o")
def register_multievent_data_exporters_recv_o(sender, **kwargs):
    return DummyOrdersExporter


@receiver(register_multievent_data_exporters, dispatch_uid="dummy_exporter_multi_v")
def register_multievent_data_exporters_recv(sender, **kwargs):
    return DummyVoucherExporter


class FoobazSalesChannel(SalesChannelType):
    identifier = "baz"
    verbose_name = "Foobar"
    icon = "home"
    testmode_supported = False


class FoobarSalesChannel(SalesChannelType):
    identifier = "bar"
    verbose_name = "Foobar"
    icon = "home"
    testmode_supported = True
    unlimited_items_per_order = True


@receiver(register_sales_channel_types, dispatch_uid="sc_dummy")
def register_sc(sender, **kwargs):
    return [FoobarSalesChannel, FoobazSalesChannel]


@receiver(html_head, dispatch_uid="dummy_html_head")
def html_head_presale(sender, request=None, **kwargs):
    if getattr(request, 'pci_dss_payment_page', False):
        # No tracking scripts on PCI DSS relevant payment pages
        return ""
    return "<script>alert('BAD TRACKING SCRIPT')</script>"


@transmission_providers.new()
class TestSdiTransmissionProvider(TransmissionProvider):
    identifier = "fatturapa_test"
    type = "it_sdi"
    verbose_name = "FatturaPA Test"

    def is_ready(self, event) -> bool:
        return True

    def is_available(self, event, country, is_business: bool) -> bool:
        return str(country) == "IT"

    def transmit(self, invoice):
        invoice.transmission_status = Invoice.TRANSMISSION_STATUS_COMPLETED
        invoice.save()


@transmission_providers.new()
class TestPeppolTransmissionProvider(TransmissionProvider):
    identifier = "peppol_test"
    type = "peppol"
    verbose_name = "Peppol Test"

    def is_ready(self, event) -> bool:
        return True

    def is_available(self, event, country, is_business: bool) -> bool:
        return is_business

    def transmit(self, invoice):
        invoice.transmission_status = Invoice.TRANSMISSION_STATUS_COMPLETED
        invoice.save()
